Method for operating three-way catalyst of IC engine

• Main Authors: H. BELLMANN, A. KORING, E. SCHNAIBEL
• Format: Patent
• Language: English
• Published: 30.04.2003
• Edition: 7
• Subjects: BLASTING; COMBUSTION ENGINES; CONTROLLING COMBUSTION ENGINES; ENGINE PLANTS IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ENGINES; WEAPONS

The invention relates to an internal combustion engine (1), especially for a motor vehicle, that is provided with a three-way catalyst (12) that can be impinged upon with nitrogen oxides. The control device (18) is used to switch from a rich-mixture operation to a lean-mixture operation of the inter...